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444744007 = 1117739791
BaseRepresentation
bin11010100000100…
…100000101000111
31010222212100002021
4122200210011013
51402323302012
6112044224011
714010155521
oct3240440507
91128770067
10444744007
11209056834
12104b3b007
13711a9546
14430d0a11
15290a1007
hex1a824147

444744007 has 4 divisors (see below), whose sum is σ = 444794976. Its totient is φ = 444693040.

The previous prime is 444743977. The next prime is 444744019. The reversal of 444744007 is 700447444.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 444744007 - 211 = 444741959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444744037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8719 + ... + 31072.

It is an arithmetic number, because the mean of its divisors is an integer number (111198744).

Almost surely, 2444744007 is an apocalyptic number.

444744007 is a deficient number, since it is larger than the sum of its proper divisors (50969).

444744007 is a wasteful number, since it uses less digits than its factorization.

444744007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50968.

The product of its (nonzero) digits is 50176, while the sum is 34.

The square root of 444744007 is about 21088.9546208436. The cubic root of 444744007 is about 763.3142466237.

The spelling of 444744007 in words is "four hundred forty-four million, seven hundred forty-four thousand, seven".

Divisors: 1 11177 39791 444744007